AM79213

Am79213/Am79C203/031 Advanced Subscriber Line Interface Circuit (ASLIC™) Device Advanced Subscriber Line Audio-Processing Circuit (ASLAC™) Device DISTINCTIVE CHARACTERISTICS — Digital I/O pins — A-law/µ-law selection Linear data available on PCM ports for custom compression and expansion Compatible with inexpensive protection networks. Accommodates low tolerance fuse resistors while maintaining longitudinal balance to Bellcore specifications. Power/Service Denial state Small physical size Integrated ring trip function Four relay drivers with built-in energy absorption zener diodes Synchronized ring relay operation: zero volts ac on, zero current off Software enabled Normal or Automatic Ring-Trip state On-chip 12 kHz and 16 kHz metering generation with on and off meter pulse shaping Supports loop-start and ground-start signaling 0°C to +70°C commercial operation guaranteed by production testing –40°C to +85°C temperature range operation available



















Performs all of the functions of a codec-filter Single channel architecture Performs Battery-feed, Ring-trip, Signaling, Coding, Hybrid and Test (BORSCHT) functions Single hardware design meets multiple country requirements through software programming Standard microprocessor interface Industry standard PCM interface with full-time slot assignment Monitor of two-wire interface voltage and current for subscriber line diagnostics Low idle power per line On-hook transmission Only battery and +5 V...